David B. Berger - Feb 28, 2022 Form 4 Insider Report for TANDEM DIABETES CARE INC (TNDM)

Role: EVP & Chief Operating Officer
Signature: s/David B. Berger
Stock symbol: TNDM
Transactions as of: Feb 28, 2022
Transactions value $: -$90,813
Form type: 4
Date filed: 3/2/2022, 06:32 PM
Previous filing: Feb 3, 2022
Next filing: Mar 21, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TNDM	Common Stock	Options Exercise	$0	+407	+9.14%	$0.00	4.86K	Feb 28, 2022	Direct
transaction	TNDM	Common Stock	Tax liability	-$15.9K	-141	-2.9%	$112.43	4.72K	Feb 28, 2022	Direct	F1
transaction	TNDM	Common Stock	Options Exercise	$18.9K	+1K	+21.2%	$18.86	5.72K	Mar 1, 2022	Direct	F2
transaction	TNDM	Common Stock	Sale	-$113K	-1K	-17.49%	$112.68	4.72K	Mar 1, 2022	Direct	F3
holding	TNDM	Common Stock						242	Feb 28, 2022	Berger Family Trust	F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	TNDM	Restricted Stock Unit	Options Exercise	$0	+407	+12.52%	$0.00	3.66K	Feb 28, 2022	Common Stock	407		Direct	F5, F6, F7
transaction	TNDM	Stock Option	Options Exercise	$18.9K	+1K	+2.13%	$18.86	48K	Mar 1, 2022	Common Stock	1K	$18.86	Direct	F8, F9

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Shares withheld by Tandem Diabetes Care, Inc. (the Company) to satisfy tax withholding requirements on vesting of restricted stock units (RSU). No shares were sold.
F2	Represents shares of common stock received upon exercise of a stock option award.
F3	The shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 11, 2021.
F4	The securities are held by the Berger Family Trust dated April 16, 2008.
F5	Granted pursuant to the Tandem Diabetes Care, Inc. 2013 Stock Incentive Plan (the 2013 Plan).
F6	Each RSU represents a contingent right to receive one share of common stock of the Company.
F7	RSU vest as to twenty-five percent (25%) of the total number of shares subject to the RSU on 5/27/2021, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter.
F8	The options vested as to fifty (50%) of the underlying shares on 6/14/2019, and the remaining shares vested in twelve (12) equal monthly installments thereafter, subject to the terms of the 2013 Plan.
F9	The expiration date for these options is 10 years from the date of grant.